WE HID THE DOGS MEDS IN A HOT DOG. JUST PUSH IT IN A WAYS AT ONE END OF HALF A DOG. FOUND ADVANTAGE THAT YOU CAN GET AT THE VETS WORKS GREAT FOR FLEAS. THEY HAVE IT FOR CATS OR DOGS AND GOES BEHIND THIER NECK WHERE THEY CAN'T SCRATCH AT IT. IT ABSORBS INTO THE SKIN. REPEAT EVERY 3 MONTHS.